On November 28, Shandong Mining Machinery Group hit the daily limit for the second consecutive day, while Zhejiang Tiancheng Controls made a strong impact to reach the daily limit. Chongqing Zonsen Power Machinery, CITIC Offshore Helicopter, Shenzhen Chiwan Wharf Holdings, Hebei Jianxin Chemical and others led in terms of increase. On the news front, the Study Times reported that China's low-altitude economy has shown a positive trend since the beginning of this year. According to the data from the Civil Aviation Administration of China, it is estimated that by 2025, the market size of China's low-altitude economy will reach 1.5 trillion yuan, and by 2035, it is expected to reach 3.5 trillion yuan.